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  <script>

  //sort 只能排一位数的     
  // var  arr=[4,2,1,3,6,5]
  // arr.sort()
  // console.log(arr,'常规排序');
//---------------------------------------------------------
  //     var arr=[44,22,1,11,55,4,3,65]
       
  //     arr.sort(function(a,b){

  //       return  a-b
  //     })
  //  console.log(arr,'sort传入比较函数进行排序');
  //--------------------------------------------------------
  
    
  </script>
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